149919732670187 has 4 divisors (see below), whose sum is σ = 150117777231936. Its totient is φ = 149721688108440.

The previous prime is 149919732670163. The next prime is 149919732670229. The reversal of 149919732670187 is 781076237919941.

149919732670187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149919732670187 - 2¹⁰ = 149919732669163 is a prime.

It is a super-2 number, since 2×149919732670187² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149919732670087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99022279739 + ... + 99022281252.

It is an arithmetic number, because the mean of its divisors is an integer number (37529444307984).

Almost surely, 2^{149919732670187} is an apocalyptic number.

149919732670187 is a deficient number, since it is larger than the sum of its proper divisors (198044561749).

149919732670187 is an equidigital number, since it uses as much as digits as its factorization.

149919732670187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198044561748.

The product of its (nonzero) digits is 288054144, while the sum is 74.

The spelling of 149919732670187 in words is "one hundred forty-nine trillion, nine hundred nineteen billion, seven hundred thirty-two million, six hundred seventy thousand, one hundred eighty-seven".